regi2p/lib/db.php

<?php

namespace App;

use PDO;

class DB {
    public $pdo;

    protected $options = [
        "db_host" => "127.0.0.1",
        "db_user" => "regi2p",
        "db_pass" => "password",
        "db_name" => "regi2p",
    ];

    public function __construct(array $options = []) {
        $this->options = array_merge($this->options, (array) $options);

        try {
            $this->pdo = new PDO("mysql:host=".$this->options["db_host"].";dbname=".$this->options["db_name"], $this->options["db_user"], $this->options["db_pass"]);
            $this->pdo->setAttribute(PDO::ATTR_TIMEOUT, 20);
            $this->pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
            $this->pdo->exec("set names utf8mb4");
        }

        catch(PDOException $e) {
            exit("Database connection error: " . $e . PHP_EOL);
        }
    }

    public function __destruct() {
        $pdo = null;
    }
}